首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1371篇
  免费   126篇
  国内免费   15篇
耳鼻咽喉   6篇
儿科学   62篇
妇产科学   55篇
基础医学   178篇
口腔科学   109篇
临床医学   149篇
内科学   270篇
皮肤病学   19篇
神经病学   111篇
特种医学   159篇
外科学   143篇
综合类   20篇
一般理论   1篇
预防医学   119篇
眼科学   15篇
药学   66篇
肿瘤学   30篇
  2021年   9篇
  2019年   19篇
  2018年   19篇
  2016年   14篇
  2015年   21篇
  2014年   19篇
  2013年   38篇
  2012年   59篇
  2011年   73篇
  2010年   42篇
  2009年   46篇
  2008年   51篇
  2007年   75篇
  2006年   59篇
  2005年   48篇
  2004年   58篇
  2003年   51篇
  2002年   39篇
  2001年   47篇
  2000年   30篇
  1999年   35篇
  1998年   38篇
  1997年   30篇
  1996年   33篇
  1995年   27篇
  1994年   27篇
  1993年   15篇
  1992年   34篇
  1991年   18篇
  1990年   21篇
  1989年   27篇
  1988年   24篇
  1987年   31篇
  1986年   25篇
  1985年   30篇
  1984年   15篇
  1983年   24篇
  1982年   24篇
  1981年   20篇
  1980年   15篇
  1979年   12篇
  1978年   14篇
  1977年   14篇
  1976年   12篇
  1974年   10篇
  1971年   9篇
  1970年   9篇
  1968年   10篇
  1967年   11篇
  1966年   8篇
排序方式: 共有1512条查询结果,搜索用时 0 毫秒
101.
102.
103.
OBJECTIVES: To assess any recent change in the commitment to occupational medicine teaching in UK undergraduate medical curricula. DESIGN: A questionnaire survey of the teaching of occupational medicine to undergraduates in all medical schools listed in the UK Universities and Colleges Admissions Service prospectus for 1999-2000 (n = 24). RESULTS: Nineteen UK schools medical schools returned a completed questionnaire, giving a response rate of 79%. A comparison of results from this survey with previous surveys of teaching of occupational medicine to undergraduates in the UK shows that fewer schools now provide lectures, project work or ward-based tuition in the subject. Workplace visits were not undertaken by any institution. Only two of the schools setting an examination question also had a syllabus. CONCLUSION: Despite the prominence given to issues related to occupational health in recent UK government policy, this study suggests a declining commitment to occupational medicine on the part of UK medical schools. Urgent action needs to be taken to address the lack of training in occupational medicine in UK medical schools.  相似文献   
104.
A novel hydrophilic gold compound, tetrakis((trishydroxymethyl)phosphine)gold(I) chloride 1, has been investigated for its antitumor properties. In vitro studies demonstrate that 1 is active against HCT-15, AGS, PC-3, and LNCaP tumor cells. Cell cycle analysis of the HCT-15 cells by flow cytometry revealed elongation of the G1 phase of the cell cycle leading to growth inhibition. Administration of 1 to Balb/C mice inoculated with syngenic meth/A cells demonstrated statistically significant dose-dependent survival time.  相似文献   
105.
An 8-month-old girl had classic features of hemophagocytic lymphohistiocytosis (HLH). A presumptive diagnosis of familial hemophagocytic lymphohistiocytosis was made on the basis of her age and the presence of parental consanguinity. In view of abnormal neurologic findings at presentation, a magnetic resonance imaging scan was performed and showed bilateral proteinaceous subdural effusions. These resolved within 1 week of commencement of chemotherapy for the primary condition. These subdural effusions were the only objective documentations of central nervous system involvement, along with an increased cerebrospinal fluid protein level. We also report other radiologic findings of HLH, which are of use in strengthening this diagnosis in individuals in whom the diagnosis is strongly suspected.  相似文献   
106.
107.
108.
109.
Wynn P 《Healthplan》2001,42(6):42-43
  相似文献   
110.
The adverse psychological sequelae of stress are well recognized by occupational health specialists. Potential adverse physical effects, such as ischaemic heart disease, are more contentious but are biologically plausible. This report outlines a case of idiopathic central serous chorioretinopathy (ICSC), an uncommon but potentially sight-threatening condition, which is widely accepted amongst ophthalmologists to be stress related. The condition is not referred to in standard occupational health texts or databases. The report includes a brief review of the ophthalmological literature on which the connection between ICSC and stress has been made, and a need for further research promoted.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号